GCC overflow warnings (format-overflow, stringop-overflow)

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-06-12.07:14:45.817>
labels = ['build', '3.9', '3.10']
title = 'GCC overflow warnings (format-overflow, stringop-overflow)'
updated_at = <Date 2020-11-07.05:56:33.375>
user = 'https://github.com/tiran'

bugs.python.org fields:

activity = <Date 2020-11-07.05:56:33.375>
actor = 'ncoghlan'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Build']
creation = <Date 2020-06-12.07:14:45.817>
creator = 'christian.heimes'
dependencies = []
files = []
hgrepos = []
issue_num = 40952
keywords = []
message_count = 2.0
messages = ['371335', '380493']
nosy_count = 2.0
nosy_names = ['ncoghlan', 'christian.heimes']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'compile error'
url = 'https://bugs.python.org/issue40952'
versions = ['Python 3.9', 'Python 3.10']